Senior Firmware Engineer

Softeq Development Corp.; Warszawa; On-site; PLN 286,000 - 339,000; Full time

Job summary

Softeq Development Corp. is seeking a Senior Flash SSD Firmware Engineer to develop low-level firmware for NAND flash controllers, SSDs, and storage subsystems. You will work with a multidisciplinary team to deliver high-performance, power-efficient storage firmware.

The ideal candidate has strong C and C++ skills, with Python for tooling and experience in test scripting for SSD devices and testing methodologies.

Qualifications

• Bare-metal and RTOS firmware development experience in industrial or embedded electronics.
• Strong C and C++ programming skills; Python experience for tooling and automation.
• Experience developing test scripts for SSD devices and understanding SSD testing methodologies.

Responsibilities

• Collaborate with a multidisciplinary team to deliver high-performance, reliable storage firmware.
• Contribute to development of low-level firmware for NAND flash controllers, SSDs, and storage subsystems.
• Optimize firmware for power efficiency and performance in next-generation flash devices.

Tools

C/C++ programming

Python scripting

RTOS firmware

Bare-metal firmware

Firmware testing

NAND flash

Job description

Salary Range: €66,000.00 To €78,000.00 Annually

Established in 1997, Softeq was built from the ground up to specialize in new product development and R&D, tackling the most difficult problems in the tech sphere. Now we've expanded to offer early-stage innovation and ideation plus digital transformation business consulting. Our superpower is to deliver all of this under one roof on a global scale. So let's get started and build a better future together!

Softeq is looking for a Senior Flash SSD Firmware Engineer with hands-on experience developing low-level firmware for NAND flash controllers, SSDs, UFS/eMMC devices, and storage subsystems. The ideal candidate has strong expertise in Flash Translation Layer (FTL), NAND drivers, ECC, and performance optimization.

This position requires close collaboration with a multidisciplinary team to deliver high-performance, reliable, and power-efficient storage firmware for next-generation flash devices.

Location:

• Vilnius, Lithuania
• Warsaw, Poland

General

• Bare-metal and RTOS firmware development experience in industrial or embedded electronics;
• Strong C and C++ programming skills; Python experience for tooling and automation;
• Experience developing test scripts for SSD devices and understanding SSD testing methodologies.

Flash Storage & FTL Expertise

• Flash Translation Layer (FTL): page/block mapping, hybrid FTL architectures;
• Bad block management, metadata handling, and journaling;
• Power-loss protection mechanisms and metadata recovery processes;
• ECC engines (BCH, LDPC) and redundancy/error-correction schemes;
• NAND timing analysis, ONFI/Toggle NAND protocols, and low-level NAND interfaces;
• Test framework implementation for PC simulated firmware.